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<head>
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    <title>Document</title>
    <script src="./vue-2.5.js"></script>
</head>
<body>
    <div id="app">
        <my-component :count='1'>
        
        </my-component>
    </div>
    <script>
        Vue.component('my-component',{
            name:'my-component',
            props:{
                count:{
                    type:Number,
                    default:1,
                }
            },
            template:`
            <div>
            111
                <my-component :count='count +1' v-if='count < 3'>
                
                </my-component>
            </div>
            `,
           
        })
    </script>
</body>
</html>